How do you write $y = | x + 2 |$ $y=abs(x+2)$ as a piecewise function?

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Answer 1 · 2017-07-19T12:35:56

$y={(x+2," if "x>=-2),(-(x+2)," if " x<-2):}$

$abs("expression") = "expression, proved the expression has a value ">=0$

$abs("expression")= -"expression, when the expression has a value " < 0$

How do you write y=abs(x+2)y=|x+2|y=abs(x+2) as a piecewise function?